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"""Implementation of the DataHandlerFactory class to create a CSVHandler object and return it."""

import sys

from ...helpers.click_helpers import recho
from .csv_handler import CSVHandler
from .data_handler_factory_interface import DataHandlerFactoryInterface
from .data_source_types import DataSourceTypes


class DataHandlerFactory(DataHandlerFactoryInterface):  # pylint: disable=too-few-public-methods
    """Class that implements the interface DataHandlerFactory"""

    def get_object(self, handler: DataSourceTypes, config: dict) -> CSVHandler:
        """Creates a DataHandler object if handler_type is 'CSV'"""
        match handler:
            case DataSourceTypes.CSV:
                CSVHandler.validate_config(config)
                return CSVHandler(config["columns"], **config["general"])
            case _:
                recho("Data source type not known")
                sys.exit(1)
